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介绍了针对大秦线Ｃ６３Ａ型敞车减振器低碳铸钢斜楔的严重磨损情况所研制的贝氏体球墨铸铁斜楔材质及结构的改进情况和装车运用考验结果。
This paper introduces the improvement of material and structure of bainite ductile iron wedge developed for severe wear condition of low carbon cast iron wedge of C63A gondola absorber for Daqin Line and the test results of loading operation.